text: /* GDK - The GIMP Drawing Kit
   * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA 02111-1307, USA.
   */
  
  /*
   * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
   * file for a list of people on the GTK+ Team.  See the ChangeLog
   * files for a list of changes.  These files are distributed with
   * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
   */
  
  #ifndef __GDK_REGION_H__
  #define __GDK_REGION_H__
  
  #if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
  #error "Only <gdk/gdk.h> can be included directly."
  #endif
  
  #include <gdk/gdktypes.h>
  
  G_BEGIN_DECLS
  
  #ifndef GDK_DISABLE_DEPRECATED
  /* GC fill rule for polygons
   *  EvenOddRule
   *  WindingRule
   */
  typedef enum
  {
    GDK_EVEN_ODD_RULE,
    GDK_WINDING_RULE
  } GdkFillRule;
  #endif
  
  /* Types of overlapping between a rectangle and a region
   * GDK_OVERLAP_RECTANGLE_IN: rectangle is in region
   * GDK_OVERLAP_RECTANGLE_OUT: rectangle in not in region
   * GDK_OVERLAP_RECTANGLE_PART: rectangle in partially in region
   */
  typedef enum
  {
    GDK_OVERLAP_RECTANGLE_IN,
    GDK_OVERLAP_RECTANGLE_OUT,
    GDK_OVERLAP_RECTANGLE_PART
  } GdkOverlapType;
  
  #ifndef GDK_DISABLE_DEPRECATED
  typedef void (* GdkSpanFunc) (GdkSpan *span,
                                gpointer data);
  #endif
  
  GdkRegion    * gdk_region_new             (void);
  #ifndef GDK_DISABLE_DEPRECATED
  GdkRegion    * gdk_region_polygon         (const GdkPoint     *points,
                                             gint                n_points,
                                             GdkFillRule         fill_rule);
  #endif
  GdkRegion    * gdk_region_copy            (const GdkRegion    *region);
  GdkRegion    * gdk_region_rectangle       (const GdkRectangle *rectangle);
  void           gdk_region_destroy         (GdkRegion          *region);
  
  void	       gdk_region_get_clipbox     (const GdkRegion    *region,
                                             GdkRectangle       *rectangle);
  void           gdk_region_get_rectangles  (const GdkRegion    *region,
                                             GdkRectangle      **rectangles,
                                             gint               *n_rectangles);
  
  gboolean       gdk_region_empty           (const GdkRegion    *region);
  gboolean       gdk_region_equal           (const GdkRegion    *region1,
                                             const GdkRegion    *region2);
  #ifndef GDK_DISABLE_DEPRECATED
  gboolean       gdk_region_rect_equal      (const GdkRegion    *region,
                                             const GdkRectangle *rectangle);
  #endif
  gboolean       gdk_region_point_in        (const GdkRegion    *region,
                                             int                 x,
                                             int                 y);
  GdkOverlapType gdk_region_rect_in         (const GdkRegion    *region,
                                             const GdkRectangle *rectangle);
  
  void           gdk_region_offset          (GdkRegion          *region,
                                             gint                dx,
                                             gint                dy);
  #ifndef GDK_DISABLE_DEPRECATED
  void           gdk_region_shrink          (GdkRegion          *region,
                                             gint                dx,
                                             gint                dy);
  #endif
  void           gdk_region_union_with_rect (GdkRegion          *region,
                                             const GdkRectangle *rect);
  void           gdk_region_intersect       (GdkRegion          *source1,
                                             const GdkRegion    *source2);
  void           gdk_region_union           (GdkRegion          *source1,
                                             const GdkRegion    *source2);
  void           gdk_region_subtract        (GdkRegion          *source1,
                                             const GdkRegion    *source2);
  void           gdk_region_xor             (GdkRegion          *source1,
                                             const GdkRegion    *source2);
  
  #ifndef GDK_DISABLE_DEPRECATED
  void   gdk_region_spans_intersect_foreach (GdkRegion          *region,
                                             const GdkSpan      *spans,
                                             int                 n_spans,
                                             gboolean            sorted,
                                             GdkSpanFunc         function,
                                             gpointer            data);
  #endif
  
  G_END_DECLS
  
  #endif /* __GDK_REGION_H__ */
  
  